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논문 기본 정보

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동향자료
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Hahm, Myung-Gwan (Department of Mechanical Engineering and Materials Science, Rice University) Hashim, Daniel P. (Department of Mechanical Engineering and Materials Science, Rice University) Vajtai, Robert (Department of Mechanical Engineering and Materials Science, Rice University) Ajayan, Pulickel M. (Department of Mechanical Engineering and Materials Science, Rice University)
저널정보
한국탄소학회 Carbon letters Carbon letters 제12권 제4호
발행연도
2011.1
수록면
185 - 193 (9page)

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Carbon nanotubes (CNTs) have developed into one of the most competitively researched nano-materials of this decade because of their structural uniqueness and excellent physical properties such as nanoscale one dimensionality, high aspect ratio, high mechanical strength, thermal conductivity and excellent electrical conductivity. Mass production and structure control of CNTs are key factors for a feasible CNT industry. Water and ethanol vapor enhance the catalytic activity for massive growth of vertically aligned CNTs. A shower system for gas flow improves the growth of vertically aligned single walled CNTs (SWCNTs) by controlling the gas flow direction. Delivery of gases from the top of the nanotubes enables direct and precise supply of carbon source and water vapor to the catalysts. High quality vertically aligned SWCNTs synthesized using plasma enhance the chemical vapor deposition technique on substrate with suitable metal catalyst particles. This review provides an introduction to the concept of the growth of vertically aligned SWCNTs and covers advanced topics on the controlled synthesis of vertically aligned SWCNTs.

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